235  
CDUS45 KRIW 190727  
CLIP60  
 
CLIMATE REPORT  
NATIONAL WEATHER SERVICE RIVERTON WY  
127 AM MDT FRI APR 19 2024  
   
...............................
 
 
   
..THE LAKE YELLOWSTONE WY CLIMATE SUMMARY FOR APRIL 18 2024
 
 
CLIMATE NORMAL PERIOD: 1991 TO 2020  
CLIMATE RECORD PERIOD: 1998 TO 2024  
 
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST  
VALUE (LST) VALUE VALUE FROM YEAR  
NORMAL    
...............................................................
 
 
TEMPERATURE (F)  
YESTERDAY  
MAXIMUM 28 4:16 PM 54 2001 41 -13 35  
MINIMUM -6 4:57 AM -10 2013 17 -23 15  
AVERAGE 11 29 -18 25  
 
PRECIPITATION (IN)  
YESTERDAY 0.00 0.75 2014 0.08 -0.08 0.13  
MONTH TO DATE 0.70 1.44 -0.74 1.60  
SINCE MAR 1 5.01 3.34 1.67 5.63  
SINCE JAN 1 9.48 6.84 2.64 8.84  
 
DEGREE DAYS  
HEATING  
YESTERDAY 54 36 18 40  
MONTH TO DATE 558 683 -125 764  
SINCE MAR 1 1926 2041 -115 2352  
SINCE JUL 1 9400 10245 -845 10325  
 
COOLING  
YESTERDAY 0 0 0 0  
MONTH TO DATE 0 0 0 0  
SINCE MAR 1 0 0 0 0  
SINCE JAN 1 0 0 0 0    
...............................................................
 
 
WIND (MPH)  
HIGHEST WIND SPEED 8 HIGHEST WIND DIRECTION SE (120)  
HIGHEST GUST SPEED 13 HIGHEST GUST DIRECTION SE (130)  
AVERAGE WIND SPEED 1.4  
 
SKY COVER  
POSSIBLE SUNSHINE MM  
AVERAGE SKY COVER 0.0  
 
WEATHER CONDITIONS  
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.  
NO SIGNIFICANT WEATHER WAS OBSERVED.  
 
RELATIVE HUMIDITY (PERCENT)  
HIGHEST 84 9:00 PM  
LOWEST 38 3:00 PM  
AVERAGE 61  
   
......................................................
 
 
THE LAKE YELLOWSTONE WY CLIMATE NORMALS FOR TODAY  
NORMAL RECORD YEAR  
MAXIMUM TEMPERATURE (F) 42 56 2010  
MINIMUM TEMPERATURE (F) 18 5 2006  
 
SUNRISE AND SUNSET  
APRIL 19 2024.........SUNRISE 6:30 AM MDT SUNSET 8:12 PM MDT  
APRIL 20 2024.........SUNRISE 6:28 AM MDT SUNSET 8:13 PM MDT  
 
- INDICATES NEGATIVE NUMBERS.  
R INDICATES RECORD WAS SET OR TIED.  
MM INDICATES DATA IS MISSING.  
T INDICATES TRACE AMOUNT.  
 

 
 
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